CN102787550A - Breaking hammer with auxiliary stone breaking device - Google Patents
Breaking hammer with auxiliary stone breaking device Download PDFInfo
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- CN102787550A CN102787550A CN2012102913937A CN201210291393A CN102787550A CN 102787550 A CN102787550 A CN 102787550A CN 2012102913937 A CN2012102913937 A CN 2012102913937A CN 201210291393 A CN201210291393 A CN 201210291393A CN 102787550 A CN102787550 A CN 102787550A
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- quartering hammer
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Abstract
The invention discloses a breaking hammer with an auxiliary stone breaking device, which comprises a clamping plate of a stone breaker, a swinging arm of the stone breaker, a breaking hammer body, a bracket, a connecting rod, a rotating shaft of the connecting rod and the breaking hammer, a rotating shaft of the connecting rod and the stone breaker and a rotating shaft of the stone breaker and the bracket, wherein the clamping plate of the stone breaker is used for clamping and pressing substances, such as stone blocks and the like, the swinging arm of the stone breaker is used for driving the clamping plate of the stone breaker to move and also transmitting pressing force, the breaking hammer body is used for controlling and also providing hydraulic force required by the working of the breaking hammer and the stone breaker, the bracket is used for acting as the actions of supporting and fixing, the connecting rod is used for connecting the breaking hammer body and the swinging arm of the stone breaker, the rotating shaft of the connecting rod and the breaking hammer is used for forming hinging connection between the connecting rod and the breaking hammer body, the rotating shaft of the connecting rod and the stone breaker is used for forming hinging connection between the connecting rod and the swinging arm of the stone breaker, and the rotating shaft of the stone breaker and the bracket is used for forming hinging connection between the swinging arm of the stone breaker and the bracket. The device not only can be used for carrying out operation by using the breaking hammer but also can be used for carrying out auxiliary operation by adopting the stone breaker. A set of hydraulic pipeline is shared by the breaking hammer and the stone breaker; and moreover, the aim of switching can be quickly realized under the control of a switch, so that the working efficiency is greatly enhanced.
Description
Technical field
The present invention relates to engineering machinery field, be specifically related to a kind of quartering hammer that has auxiliary lithotripsy apparatus.
Background technology
At present, when rock, cement pavement etc. was carried out fragmentation, quartering hammer was widely used because of its flexible and efficient characteristics.Quartering hammer utilizes the expansion of hydraulic action or Compressed Gas to do work and produces very big impact energy, can produce very big impact force in moment, breaks up rock or cement pavement.Compare with methods such as adopting explosion that to use quartering hammer to carry out fragmentation safe and reliable, will become the main flow direction of practical applications from now on.
Yet; There is following problem in existing quartering hammer: the one, when using quartering hammer to carry out fragmentation; Rock etc. is peeled off the back from parent will carry out further fragmentation to it toward contact; So that it reaches enough little size, this often need use quartering hammer repeatedly to adjust, and has delayed the progress of work greatly; The 2nd, the quartering hammer work under bad environment, radiating condition is poor, need after its work a period of time, shut down rest in use, and this has influenced operating efficiency, has also limited the development of quartering hammer in pursuing engineering field efficiently day by day.
In sum, existing quartering hammer operating efficiency is not high, and this is seriously restricting the promotion and application of quartering hammer.
Summary of the invention
Technical problem to be solved by this invention provides a kind of quartering hammer that has auxiliary lithotripsy apparatus; This device can not only use quartering hammer to carry out operation; But also can adopt the lithotriptor less important work; The shared cover fluid pressure line of quartering hammer and lithotriptor, and can under switch control, switch rapidly, operating efficiency improved greatly.
For solving the problems of the technologies described above; The technical scheme that the present invention adopted for the lithotriptor clamping plate that disclose a kind of quartering hammer that has auxiliary lithotripsy apparatus, comprise materials such as being used for clamping and extruding stone, lithotriptor swing arm, the breaking hammer main body that is used to control and provide quartering hammer and the required hydraulic coupling of lithotriptor work, the support that has been used for support and fixation, the connecting rod that is used to be connected breaking hammer main body and lithotriptor swing arm that are used to drive the motion of lithotriptor clamping plate and transmit extruding force, be used to make formation is hinged between connecting rod and breaking hammer main body connecting rod-quartering hammer rotating shaft, be used to make formation is hinged between connecting rod and lithotriptor swing arm connecting rod-lithotriptor rotating shaft, be used to make lithotriptor-rack shaft that formation is hinged between lithotriptor swing arm and support; Said lithotriptor clamping plate, lithotriptor swing arm, connecting rod-lithotriptor rotating shaft, lithotriptor-rack shaft, connecting rod, connecting rod-quartering hammer rotating shaft respectively have two; They constitute two groups of lithotriptor structures; Be symmetrically arranged in the both sides of breaking hammer main body, wherein: the lithotriptor clamping plate are fixed on an end of lithotriptor swing arm, and the other end of lithotriptor swing arm is one pore structure to be arranged; The support lower end also processes and portals simultaneously; Lithotriptor-rack shaft passes this two holes, makes to constitute between lithotriptor swing arm and support to be hinged, in addition; Also process porose on lithotriptor swing arm middle part, connecting rod two ends and the breaking hammer main body respectively; The hole that lithotriptor swing arm middle part and connecting rod one end are passed in connecting rod-lithotriptor rotating shaft is hinged its formation, and the hole formation that connecting rod-quartering hammer rotating shaft is passed on the connecting rod other end and the breaking hammer main body is hinged, and lithotriptor clamping plate and lithotriptor swing arm are rotated around lithotriptor-rack shaft under the effect of breaking hammer main body and connecting rod.Lithotriptor quits work when quartering hammer is worked; Under the control of breaking hammer main body, lithotriptor clamping plate and lithotriptor swing arm are upwards rotated simultaneously, in order to avoid interfere quartering hammer work; Quartering hammer quits work when lithotriptor is worked; To lower swing, the lithotriptor clamping plate grasp stone and with its crushing, reach the purpose of rubble under the control of breaking hammer main body for lithotriptor clamping plate and lithotriptor swing arm.
As preferably, described breaking hammer main body comprises drill steel, drill steel guiding device, quartering hammer piston, lithotriptor hydraulic tappet, lithotriptor hydraulic piston, lithotriptor hydraulic cylinder, breaking hammer change-over valve, function selecting valve, nitrogen chamber, quartering hammer hydraulic cavities, quartering hammer housing; Described drill steel and drill steel guiding device are installed in the cavity of quartering hammer housing lower end, and the drill steel guiding device play the guiding role to the motion of drill steel between quartering hammer inner walls and drill steel; Described lithotriptor hydraulic tappet, lithotriptor hydraulic piston, lithotriptor hydraulic cylinder respectively have two, and the lithotriptor hydraulic system that they are formed is arranged symmetrically in quartering hammer housing both sides, wherein; It is inner that the lithotriptor hydraulic piston is installed in the lithotriptor hydraulic cylinder, and the lithotriptor hydraulic cylinder is divided into two parts, and lithotriptor hydraulic tappet one end is fixed on the lithotriptor hydraulic piston; The other end stretches out outside the lithotriptor hydraulic cylinder, and its terminal processing is porose, links to each other with connecting rod; Described quartering hammer piston, breaking hammer change-over valve, nitrogen chamber, quartering hammer hydraulic cavities are positioned at quartering hammer housing middle part, and wherein, the quartering hammer piston is installed in nitrogen chamber, the quartering hammer hydraulic cavities; The three is on same axis; The quartering hammer piston moves back and forth under the control of breaking hammer change-over valve, impacts drill steel, reaches crushing effect; Said function selecting valve is positioned at the quartering hammer enclosure interior, and is connected respectively to extraneous fluid pressure line, lithotriptor hydraulic cylinder and quartering hammer hydraulic cavities through conduit under fluid pressure.
As preferably, said function selecting valve comprises selector valve lower piston, quartering hammer oil return pipe interface, selector valve hydraulic cylinder, selector valve upper piston, quartering hammer oil inlet pipe interface, goes up electromagnetic coil, gauge tap, lithotriptor oil inlet pipe interface, lithotriptor oil return pipe interface, electromagnetic coil, selector valve mandrel down; Said selector valve lower piston and selector valve upper piston are installed in the selector valve hydraulic cylinder; The selector valve hydraulic cylinder is divided into three parts; The cylinder part of said selector valve hydraulic cylinder between two-piston links to each other with extraneous return line all the time, and the cylinder part of piston both sides links to each other with extraneous in-line all the time, and said selector valve mandrel and selector valve lower piston and selector valve upper piston link together; The selector valve hydraulic cylinder is stretched out at its two ends; The said electromagnetic coil of going up is installed in selector valve mandrel two ends with following electromagnetic coil, and said gauge tap is arranged in the external world and is convenient to the place that the staff controls, and is connected to electromagnetic coil and following electromagnetic coil through circuit; To control its size of current and direction; Make that under the effect of gauge tap last electromagnetic coil and following electromagnetic coil produce electromagnetic force drive selector valve mandrel and two-piston moves between the high-low limit position, said quartering hammer oil return pipe interface, quartering hammer oil inlet pipe interface are positioned on the selector valve hydraulic cylinder wall; And respectively with breaking hammer change-over valve on oil return pipe link to each other with oil inlet pipe; Said lithotriptor oil inlet pipe interface, lithotriptor oil return pipe interface are positioned on the selector valve hydraulic cylinder wall, and are connected to lithotriptor hydraulic cylinder body two ends, require below the position relation of above interface satisfies: when selecting poppet shaft and two-piston to be positioned at the limes superiors position; Quartering hammer oil return pipe interface, quartering hammer oil inlet pipe interface are blocked by piston; Quartering hammer quits work, and lithotriptor oil inlet pipe interface and selector valve upper piston outside hydraulic cylinder are connected, and the hydraulic cylinder between lithotriptor oil return pipe interface and selector valve upper piston and the selector valve lower piston is connected; When selecting poppet shaft and two-piston to be positioned at the limit inferior position; Quartering hammer oil inlet pipe interface and selector valve upper piston outside hydraulic cylinder are connected; Hydraulic cylinder between quartering hammer oil return pipe interface and selector valve upper piston and the selector valve lower piston is connected; And this moment lithotriptor oil return pipe interface and the selector valve lower piston outside hydraulic cylinder connect the hydraulic cylinder connection between lithotriptor oil inlet pipe interface and selector valve upper piston and the selector valve lower piston.
Beneficial effect: through introducing the lithotriptor addi-tional crusher, not only can increase work efficiency, and when the quartering hammer working time is longer; Adopt lithotriptor to continue operation; Having remedied quartering hammer work a period of time must shut down the shortcoming of rest, has improved job schedule greatly, the shared cover external hydraulic circulating system of lithotriptor and destroyer; Simple in structure, external equipment need not make any change.
Description of drawings
In conjunction with accompanying drawing, other characteristics of the present invention and advantage can become clearer from the explanation of following preferred implementation of coming by way of example principle of the present invention is made an explanation.
Fig. 1 has the apparatus structure sketch map of a kind of embodiment of the quartering hammer of assisting lithotripsy apparatus for the present invention is a kind of;
Fig. 2 has breaking hammer main body structural representation in a kind of embodiment of quartering hammer of auxiliary lithotripsy apparatus for the present invention is a kind of;
Fig. 3 has function selecting valve arrangement sketch map in a kind of embodiment of quartering hammer of auxiliary lithotripsy apparatus for the present invention is a kind of;
Among the figure: 1-lithotriptor clamping plate; The swing arm of 2-lithotriptor; 3-connecting rod-lithotriptor rotating shaft; 4-lithotriptor-rack shaft; The 5-connecting rod; 6-connecting rod-quartering hammer rotating shaft; The 7-breaking hammer main body; The 8-support; The 71-drill steel; 72-drill steel guiding device; 73-quartering hammer piston; 74-lithotriptor hydraulic tappet; 75-lithotriptor hydraulic piston; 76-lithotriptor hydraulic cylinder; The 77-breaking hammer change-over valve; 78-function selecting valve; 79-nitrogen chamber; 710-quartering hammer hydraulic cavities; 711-quartering hammer housing; 781-selector valve lower piston; 782 quartering hammer oil return pipe interfaces; 783-selector valve hydraulic cylinder; 784-selector valve upper piston; 785-quartering hammer oil inlet pipe interface; The last electromagnetic coil of 786-; The 787-gauge tap; 788-lithotriptor oil inlet pipe interface; 789-lithotriptor oil return pipe interface; Electromagnetic coil under the 7810-; 7811-selector valve mandrel.
The specific embodiment
To combine accompanying drawing that embodiment of the present invention is described in detail below:
As shown in Figure 1, present embodiment comprises lithotriptor clamping plate 1, lithotriptor swing arm 2, connecting rod-lithotriptor rotating shaft 3, lithotriptor-rack shaft 4, connecting rod 5, connecting rod-quartering hammer rotating shaft 6, breaking hammer main body 7, support 8, drill steel 71, lithotriptor hydraulic tappet 74.
Lithotriptor quits work when quartering hammer is worked; Simultaneously under the control of breaking hammer main body 7; Lithotriptor hydraulic tappet 74 shrinks inwards, drives lithotriptor clamping plate 1 and upwards rotation of lithotriptor swing arm 2, in order to avoid interfere quartering hammer work; This moment, breaking hammer main body 7 generation hydraulic shock masterpieces were used on the drill steel 71, and drill steel is with fragmentations such as rocks; When lithotriptor was worked, quartering hammer quit work, under the control of breaking hammer main body 7; Lithotriptor hydraulic tappet 74 is protruding; Drive lithotriptor clamping plate 1 and lithotriptor swing arm 2 to lower swing, lithotriptor clamping plate 1 grasp stone and with its crushing, reach the purpose of rubble.
As shown in Figure 2; Breaking hammer main body 7 is used for control and quartering hammer and the required hydraulic coupling of lithotriptor work is provided, and it comprises drill steel 71, drill steel guiding device 72, quartering hammer piston 73, lithotriptor hydraulic tappet 74, lithotriptor hydraulic piston 75, lithotriptor hydraulic cylinder 76, breaking hammer change-over valve 77, function selecting valve 78, nitrogen chamber 79, quartering hammer hydraulic cavities 710, quartering hammer housing 711.
As shown in Figure 3; Function selecting valve 78 is an electromagnetic switch three way cock, and function selecting valve 78 comprises selector valve lower piston 781, quartering hammer oil return pipe interface 782, selector valve hydraulic cylinder 783, selector valve upper piston 784, quartering hammer oil inlet pipe interface 785, goes up electromagnetic coil 786, gauge tap 787, lithotriptor oil inlet pipe interface 788, lithotriptor oil return pipe interface 789, following electromagnetic coil 7810, selector valve mandrel 7811.
Selector valve lower piston 781 is installed in the selector valve hydraulic cylinder 783 with selector valve upper piston 782; And selector valve hydraulic cylinder 783 is divided into three parts; The cylinder part of selector valve hydraulic cylinder 783 between two-piston links to each other with the return line in the external world all the time; The cylinder part of piston both sides then links to each other with the in-line in the external world all the time; Selector valve mandrel 7811 links together with selector valve lower piston 781 and selector valve upper piston 782; Selector valve hydraulic cylinder 783 is stretched out at its two ends, and last electromagnetic coil 786 is installed in selector valve mandrel 7811 two ends respectively with following electromagnetic coil 7810, and said gauge tap 787 is arranged in the external world and is convenient to the place that the staff controls; And be connected to electromagnetic coil 786 and following electromagnetic coil 7810 through circuit; To control its size of current and direction, make that under the effect of gauge tap 787 last electromagnetic coil 786 and following electromagnetic coil 7810 produce electromagnetic force drive selector valve mandrel 7811 and two-piston moves between the high-low limit position; Quartering hammer oil return pipe interface 782, quartering hammer oil inlet pipe interface 785 are positioned on selector valve hydraulic cylinder 783 walls; And respectively with breaking hammer change-over valve 77 on oil return pipe link to each other with oil inlet pipe, lithotriptor oil inlet pipe interface 788, lithotriptor oil return pipe interface 789 are positioned on selector valve hydraulic cylinder 783 walls, and are connected to lithotriptor hydraulic cylinder 76 cylinder body two ends respectively; Below satisfying, the position relation of above interface requires: when selecting poppet shaft 7811 and two-piston to be positioned at the limes superiors position; Quartering hammer oil return pipe interface 782, quartering hammer oil inlet pipe interface 785 are blocked by piston, and quartering hammer quits work, and lithotriptor oil inlet pipe interface 788 is connected with selector valve upper piston 784 outside hydraulic cylinders; Hydraulic cylinder between lithotriptor oil return pipe interface 789 and selector valve upper piston 784 and the selector valve lower piston 781 is connected; When selecting poppet shaft 7811 and two-piston to be positioned at the limit inferior position, quartering hammer oil inlet pipe interface 785 is connected quartering hammer oil return pipe interface 78 with selector valve upper piston 784 outside hydraulic cylinders) with selector valve upper piston 784 and selector valve lower piston 781 between the hydraulic cylinder connection; And this moment, lithotriptor oil return pipe interface 789 was connected with the hydraulic cylinder in selector valve lower piston 781 outsides, and the hydraulic cylinder between lithotriptor oil inlet pipe interface 788 and selector valve upper piston 784 and the selector valve lower piston 781 is connected.Fig. 3 left side is positioned at the sketch map of limit inferior position for selector valve mandrel 7811 and two-piston, and the right side is selector valve mandrel 7811 and the two-piston sketch map when being positioned at the limes superiors position.
Operating principle:
During this device work; The staff is quartering hammer or lithotriptor through control gauge tap 787 selected work packages; If selecting work package is quartering hammer; This moment, selector valve mandrel 7811 moved down under the effect of electromagnetic coil on the selector valve 786 and following electromagnetic coil, drove selector valve upper piston 781 and lower piston 784 and moved to the limit inferior position; The hydraulic oil that this moment, extraneous in-line produced pours in quartering hammer oil inlet pipe interface 785; Flow to breaking hammer change-over valve 77 oil inlet pipes, simultaneously the low pressure oil in breaking hammer change-over valve 77 oil return pipes flows to extraneous return line through quartering hammer oil return pipe interface 782, and quartering hammer piston 73 is at breaking hammer change-over valve 77 controls reciprocating and clash into drill steel 71 in nitrogen chamber 79 and quartering hammer hydraulic cavities 710 down; The energy that compressed nitrogen and hydraulic pressure produced is passed to drill steel 71, reach crushing effect.In addition, the hydraulic oil that extraneous in-line produces also pours in lithotriptor in-line interface 788, thereby flows into the latter half of lithotriptor hydraulic cylinder 76; And the first half of lithotriptor hydraulic cylinder 76 is joined through lithotriptor oil return pipe interface 789 and extraneous return line; Lithotriptor piston 75 moves up under the effect of pressure reduction, drives lithotriptor hydraulic tappet 74 and moves up, under hinge effect; Lithotriptor clamping plate 1 upwards rotate with lithotriptor swing arm 2, avoid interfering the operate as normal of quartering hammer.If selecting work package is lithotriptor; This moment is under the effect of electromagnetic coil on the selector valve 786 and following electromagnetic coil; Selector valve mandrel 7811 moves up; Drive selector valve upper piston 781 and lower piston 784 and move to the limes superiors position, this moment, quartering hammer oil inlet pipe interface 785 was blocked by piston with quartering hammer oil return pipe interface 782, and quartering hammer will quit work.In addition, the hydraulic oil that extraneous in-line produces pours in lithotriptor return line interface 789, thereby flows into the first half of lithotriptor hydraulic cylinder 76; And the latter half of lithotriptor hydraulic cylinder 76 is joined through lithotriptor oil inlet pipe interface 788 and extraneous return line; Lithotriptor piston 75 moves down under the effect of pressure reduction, drives lithotriptor hydraulic tappet 74 and moves down, under hinge effect; Lithotriptor clamping plate 1 rotate with lithotriptor swing arm 2, thus clamping stone and it is crowded broken.
Though described embodiment of the present invention in conjunction with accompanying drawing, those of ordinary skills can make various distortion or modification within the scope of the appended claims.
Claims (3)
1. quartering hammer that has auxiliary lithotripsy apparatus is characterised in that to comprise: be used for materials such as clamping and extruding stone lithotriptor clamping plate (1), lithotriptor swing arm (2), the breaking hammer main body (7) that is used to control and provide quartering hammer and the required hydraulic coupling of lithotriptor work, the support (8) that has been used for support and fixation, the connecting rod (5) that is used to be connected breaking hammer main body (7) and lithotriptor swing arm (2) that are used to drive lithotriptor clamping plate (1) motion and transmit extruding force, be used to make formation is hinged between connecting rod (5) and breaking hammer main body (7) connecting rod-quartering hammer rotating shaft (6), be used to make formation is hinged between connecting rod (5) and lithotriptor swing arm (2) connecting rod-lithotriptor rotating shaft (3), be used to make lithotriptor-rack shaft (4) that formation is hinged between lithotriptor swing arm (2) and support (8); Said lithotriptor clamping plate (1), lithotriptor swing arm (2), connecting rod-lithotriptor rotating shaft (3), lithotriptor-rack shaft (4), connecting rod (5), connecting rod-quartering hammer rotating shaft (6) respectively have two; Constitute two groups of lithotriptor structures; Be symmetrically arranged in the both sides of breaking hammer main body (7); Wherein lithotriptor clamping plate (1) are fixed on an end of lithotriptor swing arm (2); The other end of lithotriptor swing arm (2) is one pore structure to be arranged, and support (8) lower end also processes and portals simultaneously, and lithotriptor-rack shaft (4) passes this two holes; Make to constitute between lithotriptor swing arm (2) and support (8) and be hinged; In addition, also process porosely on lithotriptor swing arm (8) middle part, connecting rod (5) two ends and the breaking hammer main body (7) respectively, the hole that lithotriptor swing arm (2) middle part and connecting rod (5) one ends are passed in connecting rod-lithotriptor rotating shaft (3) is hinged its formation; The hole formation that connecting rod-quartering hammer rotating shaft (6) is passed on connecting rod (5) other end and the breaking hammer main body (7) is hinged, and said lithotriptor clamping plate (1) and lithotriptor swing arm (2) are rotated around lithotriptor-rack shaft (4) under the effect of breaking hammer main body (7) and connecting rod (5).
2. a kind of quartering hammer that has auxiliary lithotripsy apparatus according to claim 1, it is characterized in that: described breaking hammer main body (7) comprises drill steel (71), drill steel guiding device (72), quartering hammer piston (73), lithotriptor hydraulic tappet (74), lithotriptor hydraulic piston (75), lithotriptor hydraulic cylinder (76), breaking hammer change-over valve (77), function selecting valve (78), nitrogen chamber (79), quartering hammer hydraulic cavities (710), quartering hammer housing (711); Described drill steel (71) and drill steel guiding device (72) are installed in the cavity of quartering hammer housing (711) lower end; Drill steel guiding device (72) is positioned between quartering hammer housing (711) cavity inner wall and the drill steel (71); Motion to drill steel (71) play the guiding role, and described lithotriptor hydraulic tappet (74), lithotriptor hydraulic piston (75), lithotriptor hydraulic cylinder (76) respectively have two, and the lithotriptor hydraulic system that they are formed is arranged symmetrically in quartering hammer housing (711) both sides; Wherein lithotriptor hydraulic piston (75) is installed in lithotriptor hydraulic cylinder (76) inside; Lithotriptor hydraulic cylinder (76) is divided into two parts, and lithotriptor hydraulic tappet (74) one ends are fixed on the lithotriptor hydraulic piston (75), and the other end stretches out outside the lithotriptor hydraulic cylinder (76); Its terminal processing is porose; Link to each other with connecting rod (5), described quartering hammer piston (73), breaking hammer change-over valve (77), nitrogen chamber (79), quartering hammer hydraulic cavities (710) are positioned at quartering hammer housing (711) middle part, and wherein quartering hammer piston (73) is installed in nitrogen chamber (79), the quartering hammer hydraulic cavities (710); The three is on same axis; Quartering hammer piston (73) moves back and forth under the control of breaking hammer change-over valve (77), impacts drill steel, reaches crushing effect; Said function selecting valve (78) is positioned at quartering hammer housing (711) inside, and is connected respectively to extraneous fluid pressure line, lithotriptor hydraulic cylinder (76) and quartering hammer hydraulic cavities (710) through conduit under fluid pressure.
3. a kind of quartering hammer that has auxiliary lithotripsy apparatus according to claim 2 is characterized in that: said function selecting valve (78) comprises selector valve lower piston (781), quartering hammer oil return pipe interface (782), selector valve hydraulic cylinder (783), selector valve upper piston (784), quartering hammer oil inlet pipe interface (785), goes up electromagnetic coil (786), gauge tap (787), lithotriptor oil inlet pipe interface (788), lithotriptor oil return pipe interface (789), following electromagnetic coil (7810), selector valve mandrel (7811); Said selector valve lower piston (781) and selector valve upper piston (782) are installed in the selector valve hydraulic cylinder (783); Selector valve hydraulic cylinder (783) is divided into three parts; The cylinder part of said selector valve hydraulic cylinder (783) between two-piston links to each other with the return line in the external world all the time; The cylinder part of piston both sides links to each other with the in-line in the external world all the time; Said selector valve mandrel (7811) links together with selector valve lower piston (781) and selector valve upper piston (782); Selector valve hydraulic cylinder (783) is stretched out at its two ends; Said upward electromagnetic coil (786) and following electromagnetic coil (7810) are installed in selector valve mandrel (7811) two ends; Said gauge tap (787) is arranged in the external world and is convenient to the place that the staff controls; And be connected to electromagnetic coil (786) and following electromagnetic coil (7810) through circuit; To control its size of current and direction, make that under the effect of gauge tap (787) last electromagnetic coil (786) and following electromagnetic coil (7810) produce electromagnetic force drive selector valve mandrel (7811) and two-piston moves between the high-low limit position; Said quartering hammer oil return pipe interface (782), quartering hammer oil inlet pipe interface (785) are positioned on selector valve hydraulic cylinder (783) wall; And respectively with breaking hammer change-over valve (77) on oil return pipe link to each other with oil inlet pipe, said lithotriptor oil inlet pipe interface (788), lithotriptor oil return pipe interface (789) are positioned on selector valve hydraulic cylinder (783) wall, and are connected to lithotriptor hydraulic cylinder (76) cylinder body two ends; Below satisfying, the position relation of above interface requires: when selecting poppet shaft (7811) and two-piston to be positioned at the limes superiors position; Quartering hammer oil return pipe interface (782), quartering hammer oil inlet pipe interface (785) are blocked by piston, and quartering hammer quits work, and lithotriptor oil inlet pipe interface (788) is connected with selector valve upper piston (784) outside hydraulic cylinder; Hydraulic cylinder between lithotriptor oil return pipe interface (789) and selector valve upper piston (784) and the selector valve lower piston (781) is connected; When selecting poppet shaft (7811) and two-piston to be positioned at the limit inferior position, quartering hammer oil inlet pipe interface (785) is connected with selector valve upper piston (784) outside hydraulic cylinder, and the hydraulic cylinder between quartering hammer oil return pipe interface (782) and selector valve upper piston (784) and the selector valve lower piston (781) is connected; And lithotriptor oil return pipe interface this moment (789) is connected with the hydraulic cylinder in selector valve lower piston (781) outside, and the hydraulic cylinder between lithotriptor oil inlet pipe interface (788) and selector valve upper piston (784) and the selector valve lower piston (781) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210291393.7A CN102787550B (en) | 2012-08-16 | 2012-08-16 | Breaking hammer with auxiliary stone breaking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210291393.7A CN102787550B (en) | 2012-08-16 | 2012-08-16 | Breaking hammer with auxiliary stone breaking device |
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| CN102787550A true CN102787550A (en) | 2012-11-21 |
| CN102787550B CN102787550B (en) | 2015-01-21 |
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| CN201210291393.7A Expired - Fee Related CN102787550B (en) | 2012-08-16 | 2012-08-16 | Breaking hammer with auxiliary stone breaking device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603857A (en) * | 2016-03-07 | 2016-05-25 | 湖州中辰建设有限公司 | Breaking hammer capable of assisting in stone breaking |
| CN108193891A (en) * | 2018-01-04 | 2018-06-22 | 大连赢得科技有限公司 | A kind of construction modifies vehicle with cement flooring |
| CN110130188A (en) * | 2019-04-04 | 2019-08-16 | 浙江天姥建设发展有限公司 | Crushed stone spreading device is built on road surface |
| CN111576257A (en) * | 2020-05-11 | 2020-08-25 | 北京诺和兴建设工程有限公司 | Bridge demolishs quartering hammer and bridge demolishs equipment |
| CN114381999A (en) * | 2022-02-21 | 2022-04-22 | 中交投资南京有限公司 | Construction method for efficiently crushing stone roadbed |
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| CN101270661A (en) * | 2007-12-10 | 2008-09-24 | 张海林 | Mine explosion-proof coal rock full hydraulic pulverizing development machine |
Cited By (7)
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| CN105603857B (en) * | 2016-03-07 | 2017-08-04 | 湖州中辰建设有限公司 | A kind of quartering hammer for aiding in rubble |
| CN108193891A (en) * | 2018-01-04 | 2018-06-22 | 大连赢得科技有限公司 | A kind of construction modifies vehicle with cement flooring |
| CN110130188A (en) * | 2019-04-04 | 2019-08-16 | 浙江天姥建设发展有限公司 | Crushed stone spreading device is built on road surface |
| CN110130188B (en) * | 2019-04-04 | 2021-08-24 | 中豪建设股份有限公司 | Road surface is built rubble dispensing device |
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